Machine for calking pipe-joints.



o. G. SIMPSON, JB. MACHINE FOR GALKING PIPE JOINTS.

APPLICATION FILED APR. 2, 1912.

1,065,629. Patented June 24, 1913.

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C. G. SIMPSON, JR'.

MACHINE POR GALKING PIPE JOINTS.

APPLICATION FILED APB.. 2, 1912.

Patented June 24, 1913.

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C. G. SIMPSON, JR.

MAGHINE FOR'GALKING PIPE JOINTS.

APPLICATION FILED APR. 2, 1912. l

Patented June 24, 1913.

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WVM/woo @Ff C. C. SIMPSON, Jn. MACHINE POR GALKING PIPE JOINTS.

APPLICATION FILED APR.2, 1912.

Patented June 24, 1913.

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5 wv@ who@ COLUMBIA PLANGGRAPH Co..wAsHlNGToN, D. C.

UNITED STATES PATENT OFFICE.

COLIN C. SIMPSON, JR., OF FLUSHING, NEW YORK.

MACHINE FOR CALKING PIPE-JOINTS.

To all whom t may concern.'

Be it known that I, COLIN C. SIMPSON, Jr., a citizen of the United States, residing at Flushing, in the borough of Queens and State of New York, have invented certain new and useful Improvements in Machines for Calking Pipe-Joints; and I do hereby declare the following to bc a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

there pipes for conveying water and for similar purposes are laid in the ground, considerable difiiculty is experienced in properly tamping the joints so as to render them thoroughly7 tight. This difficulty is largely due to the inaccessibility of certain parts of the joints between pipe sections laid in a narrow trench. Various machines have been proposed with a view to successful solution of this problem, all of which present disadvantages which it is the object of the present invention to overcome.

My improved apparatus is capable of being conveniently mounted upon pipe sections for applying automatic power devices conveniently, rapidly and uniformly to the operation of tamping of the joints between such sections, after which the apparatus may be conveniently removed for the purpose of applying it to another section for repetition of the operation.

My machine is so constructed as to facilitate the use of various types of power devices which can be easily assembled therewith and removed therefrom, as well as being particularly designed to permit the insertion of tamping tools of different sizes and shapes easily and quickly.

It is a further advantage of my construction that it lends itself to guidance of the tool either by hand or power, making it possible to vary the degree of tamping in different parts of the joint at will.

My present invention also includes means whereby the entire tamping engine may be brought up to its work or withdrawn therefrom with great ease in any position, and also covers means whereby a tamping engine of definite stroke is accommodated to use with materials which are not uniform in resistance, and for preventing all danger of the end of the tool sticking to the tamping material.

The invention is illustrated in a preferred Specication of Letters Patent.

Application filed April 2, 1912.

Patented June 241, 1913.

Serial No. 688,095.

embodiment in the accompanying drawing wherein- Figure 1 is a longitudinal section on the line 1 1 of Fig. 3, Fig. 2 is a plan thereof, Fig. 3 is a cross sect-ion on the line 3-3 of Fig. 2, Fig. l is a cross sect-ion on the line 4-4 of Fig. 2, Fig. 5 is a side view of one form of tamping tool, Fig. 6 is a plan view of the tool holder with the yoke in section,y

and Fig. 7 is an elevation of the yoke.

Two abutting sections of pipe are shown at 10 and 11, the end of the pipe 10 fitting in the usual manner into the enlarged end 12 of the pipe 11.

The foundation of the apparatus comprises a fixed frame, made in two or more parts supported upon the pipes by an adjustable mounting. In the preferred form shown this consists of the two fixed rings 13 and 14, mounted upon the powerful set screws 15 in the` supporting brackets 16. These rings are united at suitable intervals by bridging bars'17 riveted to the rings. The rings are made in separable halves provided with out-turned lips 18 adapted to come together flat to be suitably clamped together, so as to unite the rings around the sections of pipe, one after the other.

Preferably at two or more points in the circumference the bridging bars 17 are made to serve as guides for slides 19 which support a circular track 20, preferably U shaped in cross section and opening inward. In the form shown four of these slides are shown. The inner ends of the slides 19 and the track 20 are surrounded by a ring shaped cam band 21 provided `with as many inclined cam slots 22 as there are slides, and each slide has a projection 23 riding in one of these slots. The edges of the band 21 ride in slotted pulleys 21, carried by supplemental rings 25, and the band carries a rack 26 engaging with a pinion 27 on the shaft 2S mounted upon the supplemental rings and adapted to be rotated by the hand wheel 29. By turning the wheel 29, the cam band is made to turn about the axis of the pipe 10, and the edges of the slots 22 cause the slides 19 to move toward or away from the pipe 11, carrying the track 20 with them.

An engine-carrying ring 30 is supported within the track 2O by means of the wheels 31, and is steadied against the sides of said track by the rollers 32. The outer edge of the ring 30 is provided with a circular rack lll@ which meshes with a pinion 34: having a shaft B5 rotatably supported by one of the slides 19. By turning this shaft either by power or hand, the ring 30 may bc revolved around the pipe l0. In the drawing l have shown a removable crank gt3 for the purpose ot' turning these parts by hand. it such intervals s may be desired, and preferably at points diametrically opposed, as shown in Fig. il, guiding brackets 37 are provided on the rotatable ring 30, forming supports onto which the. bodies 3S of the tamping engines are slid into place, being there secured in any desired manner, but preferably as shown in Fig. For this purpose a fastening lever 39 is pivoted at il0 near cach pair of brackets 37. the end of said lever projecting inward through the ring 30, and terminating in a screw which is engaged by a nut lit. The lever BS) has a projection l2 which may be drawn inward by means of the nut Ll-l, through an opening in the ring 30, so as to enter a suitable cavity in the top of the tamping engine body 3S as shown in Fig.

The particular nature of the tamping engine employed is not an essential of this invention, so long as a percussive engine is used whereby repeated blows may be dealt in a well known manner upon the tamping material. An electric engine or a pneumatic engine is suitable in this connection. 1n Figs. 1 and G I have indicated in a general manner a pneumatic hammer having a cylinder 4K3 and an interior reciprocating member all. which strikes upon the inner end of a suitable removable tamping tool L15, passing into a socket in the tool holder This makes it possible to use tools of different shapes and dimensions in accordance with the particular circumstances in any case.

The holder L16 is furnished with two forwardly projecting spring rods 4t? which are preferably pivoted to the holder, as at 11S. Upon these rods are carried the springs 15), one end of each of which bears upon one end of the yoke 50. while the outer end of each spring` is confined by a nut threaded onto the end of each rod et?, whereby the pressure of each spring may be regulated at will.

The yoke 50 has an opening 51, through which the end of the tampinn,` tool may be thrust from left to rightin Fig. G, and the forward end of the base of the tool 115 abuts upon said yoke, so that the yoke moves forward and compresses the springs 49 at each forward aroke of the tools. The result of this arrangement is that the tool il5 is positively returned after each stroke and propared for the next blow of the interior movable element of the tamping engine, and all danger of the tool sticking in the tamping material is prevented.

lThe apparatus described can be applied to pipes already in place, and furnishes easily operated means whereby one or more power tools may be rapidly moved along the working path in either direction, and whereby such tools may be pressed up to or drawn away from their work. Also, the interchange of engines and of tools is easily effected.

Various changes may be made in the construction and arrangement of my apparatus, and l do not confine myself to the details herein shown and described.

'Vhat 1 claim is- 1. A device of the class described comprising a foundation frame adapted to be suitably centered and mounted upon a pipe, a guiding track supported thereon, an engine-carrying ring adapted to run in said track, a tamping engine carried by said ring, and means for causing said ring and engine to travel around said frame, substantially as described.

A device of the class described comprisingl a foundation frame adapted to be suitably centered and mounted upon a pipe, slides on said frame, a guiding track fastened to said slides, means for causing said slides and track to move transversely of the frame, an engine-carrying ringadapted to run in said track, a tamping engine carried by said ring, and means for causing said ring and engine to travel around said frame, substantially as described.

A device of the class described comprising a foundation frame adapted to be suitably centered and mounted upon a pipe, slides on said frame, one or more tamping engines supported by said slides, and means for causing said slides and engine or engines to move transversely of said frame, substantially as described.

el. A device of the class described comprising` a foundation frame adapted to be suitably centered and mounted upon a pipe, a guiding track supported thereon, an enginecarrying ring adapted to run in said track and having one or more open supports for engines, a tamping engine adapted to be carried by any one of said supports, and means fo-r causing said ring and engine or engines to travel around said frame, substantially as described.

A device of the class described comprising a foundation frame adapted to be suitably centered and mounted upon a pipe, a guiding track supported thereby, an engine carrying track adapted to run in said first named track and having a suitable rack on its edge, a pinion engaging said rack, and one or more tamping engines carried by said ring, substantially as described.

6. A device of the class described comprising a foundation frame adapted to be suitably centered and mounted upon a pipe,

t? shaped track on said frame, an enginecarrying ring having Wheels and rollers for supporting said ring in said track and bearing against the bottom and sides of said track respectively, and a tamping engine carried by said ring, substantially as described.

7. A device of the class described comprising a foundation frame adapted to be suitably centered and mounted upon a pipe, and comprising fixed rings and bridging bars uniting them, slides carried by said bars, a track carried by said slides, an engine-carrying ring adapted to run on said track, and a tamping engine on said ring, substantially as described.

8. A device of the class described comprising a foundation frame adapted to be suit-ably centered and mounted upon a pipe, a cam band mounted to travel in said frame and having an inclined slot, a slide on said frame having a projection in said slot, a track on said slide, a traveling ring on said track, a tamping engine on said ring, means for turning said ring and means for turning said cam band, so as to causesaid slot to move said slide, substantially as described.

9. A device of the class described comprising a foundation frame adapted to be suitably centered and mounted upon a pipe, a cam band mounted to travel around said frame, a slide engaging with said cam band, a tamping engine supported by said slide, and means for causing said cam band to travel around said frame to operate said slide, substantially as described.

l0. A device of the class described comprising a foundation frame adapted to be suitably centered and mounted upon a pipe, a camband mounted to travel around said frame, a rack on said band, a fixed pinio-n engaging said cani band and tamping engine supported by said slide, substantially as described.

ll. In a device of the class described an engine-carrying ring having an o-pen support, a removable tamping engine adapted to slide into place on said support, a lever pivoted to said ring and having a locking portion for engaging said engine to hold it in place, and means fo-r fastening said lever to lock said engine, substantially as described.

l2. In a device of the class described a foundation frame, slides thereon, a track carried by said slides, an engine-carrying ring in said track having a rack, a revoluble shaft mounted on one of said slides and having a pinion meshing With said rack, and a tamping engine on said ring, substantially as described.

In testimony whereof, I affix my signature, in presence of tivo Witnesses.

COLIN C. SIMPSON, Jn. l/Vitnesses FRANK HoLDnNnoxEn,

R. M. WiLsoN.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington, D. C. 

